nucleate
简明释义
adj. 有核的
v. 成核,形成核心
第 三 人 称 单 数 n u c l e a t e s
现 在 分 词 n u c l e a t i n g
过 去 式 n u c l e a t e d
过 去 分 词 n u c l e a t e d
英英释义
形成或导致形成一个核。 | |
To initiate the process of nucleation in a physical or chemical system. | 在物理或化学系统中启动成核过程。 |
单词用法
[物]泡核沸腾 |
同义词
反义词
解离 | 这些化合物在加热时开始解离。 | ||
分解 | 如果不被保存,有机物会随着时间的推移而分解。 |
例句
1.Heat transfer of nucleate boiling of water and n-hexane in a vertical cylindrical annulus with inner side heated has been experimentally investigated.
以水和正己烷作为介质,考察了通入空气对内管加热的竖直圆柱形环隙内的沸腾传热性能的影响。
2.The heat transfer data of nucleate pool boiling on a smooth flat surface were measured in HC170/HFC23 system.
实验测量了新型共沸混合工质HC170/HFC23的池核沸腾传热特性。
3.Carbon-poor area forms by means of random fluctuation and carbon atom diffusion. Bainitic ferrites nucleate in carbon-poor austenite.
依靠随机涨落,形成贫碳区,贝氏体铁素体在贫碳的奥氏体中形核。
4.The Ag atoms nucleate and grow into nanoparticles.
银原子在玻璃中成核并生长成纳米颗粒。
5.The departure from nucleate boiling (DNB) is important concerning about the safety of a PWR.
偏离泡核沸腾(DNB)对于压水堆安全具有重要意义。
6.Objective To discuss the clinical curative effect of chronic urticaria treated with combination of bacilli Calmette Guerin Polysaccharide Nucleate (BCGPN) and mizolastine.
目的为探讨卡介菌多糖核酸与咪唑斯汀联合治疗慢性荨麻疹的临床疗效。
7.The experimental results show that in the pool nucleate boiling process the "effect of interfacial vaporization heat sink" obviously increases with the heat transfer flux.
实验结果表明,沸腾时,“界面汽化热阱”效应随热流率的提高而显著增大。
8.The effect of the content of nucleate agent on the mechanical properties of soft poly(vinyl-chloride)(SPVC) foamed material was investigated.
研究了成核剂对软聚氯乙烯(SPVC)发泡材料拉伸性能的影响。
9.Nucleate boiling heat transfer on a vertical cylindrical heated surface with a concentric outer tube was investigated when air was introduced into the boiling liquid.
研究了带有同心套管的垂直圆柱形加热表面在环隙中通入空气时的核沸腾传热性能。
10.In the laboratory, scientists observed how crystals nucleate 成核 under controlled conditions.
在实验室中,科学家观察到晶体如何在受控条件下成核。
11.The process of ice formation begins when water molecules start to nucleate 成核 around impurities.
冰形成的过程始于水分子开始在杂质周围成核。
12.During the cooling process, the molten metal will nucleate 成核 to form solid structures.
在冷却过程中,熔融金属会成核形成固体结构。
13.The nucleate 成核 phase is critical in understanding the behavior of supercooled liquids.
理解过冷液体行为的关键是成核阶段。
14.Researchers found that adding certain chemicals can help nucleate 成核 bubbles in the solution.
研究人员发现,添加某些化学物质可以帮助溶液中成核气泡。
作文
In the realm of science, particularly in chemistry and biology, the term nucleate is often used to describe the process of forming a nucleus or a central core. This concept is crucial in understanding various phenomena, including crystallization, cellular processes, and even the formation of stars in astrophysics. To nucleate means to initiate the formation of a structure that will serve as a foundation for further development. For instance, in crystallization, impurities in a solution can act as nucleating agents, providing a surface upon which molecules can organize themselves into a solid structure. Without these nucleating sites, the process would be significantly hindered, demonstrating how essential nucleate is in the natural world.In biology, the process of nucleate can be seen during cell division. When a cell prepares to divide, it must first replicate its DNA, which then nucleates into chromosomes. These chromosomes are vital for ensuring that genetic information is accurately distributed to the daughter cells. The ability to nucleate effectively is critical for the survival and reproduction of living organisms.Moreover, the concept of nucleate extends beyond the microscopic world. In meteorology, for example, water droplets in clouds nucleate around dust particles, leading to precipitation. This process is vital for the water cycle and has significant implications for agriculture and ecosystems. The understanding of how droplets nucleate helps meteorologists predict weather patterns and manage water resources effectively.In astrophysics, the formation of stars also involves a nucleate process. Stars begin as clouds of gas and dust that collapse under their own gravity. As these materials come together, they nucleate a dense core that eventually ignites nuclear fusion, giving birth to a star. This process illustrates the importance of nucleate in the universe's lifecycle and the creation of elements necessary for life.In conclusion, the term nucleate encapsulates a fundamental principle observed across various scientific disciplines. Whether in the formation of crystals, the division of cells, the development of weather patterns, or the birth of stars, nucleate signifies the initiation of a process that leads to complexity and organization. Understanding this term not only enhances our comprehension of scientific concepts but also highlights the interconnectedness of different fields of study. As we continue to explore and uncover the mysteries of the natural world, the significance of nucleate will undoubtedly remain a pivotal element in our quest for knowledge.
在科学领域,特别是在化学和生物学中,术语nucleate常用于描述形成核或中心核心的过程。这个概念对于理解各种现象至关重要,包括结晶、细胞过程,甚至是天体物理学中恒星的形成。nucleate意味着启动一个结构的形成,这个结构将作为进一步发展的基础。例如,在结晶过程中,溶液中的杂质可以充当成核剂,提供一个表面,使分子能够组织成固体结构。如果没有这些成核位点,过程将受到显著阻碍,这证明了nucleate在自然界中的重要性。在生物学中,nucleate的过程可以在细胞分裂期间看到。当细胞准备分裂时,必须首先复制其DNA,然后将其nucleate为染色体。这些染色体对于确保遗传信息准确分配给子细胞至关重要。有效地nucleate的能力对生物体的生存和繁殖至关重要。此外,nucleate的概念超越了微观世界。在气象学中,例如,云中的水滴围绕尘埃颗粒nucleate,导致降水。这个过程对于水循环至关重要,并对农业和生态系统产生重大影响。了解水滴如何nucleate有助于气象学家预测天气模式并有效管理水资源。在天体物理学中,恒星的形成也涉及一种nucleate过程。恒星始于气体和尘埃的云,这些云在自身重力的作用下坍缩。当这些材料聚集在一起时,它们nucleate出一个密集的核心,最终点燃核聚变,诞生一颗恒星。这个过程说明了nucleate在宇宙生命周期和生命所需元素的创造中的重要性。总之,术语nucleate概括了在各个科学学科中观察到的基本原则。无论是在晶体的形成、细胞的分裂、天气模式的发展,还是恒星的诞生,nucleate都意味着一个过程的启动,这个过程导致复杂性和组织。理解这个术语不仅增强了我们对科学概念的理解,还突显了不同研究领域之间的相互联系。随着我们继续探索和揭示自然界的奥秘,nucleate的重要性无疑将继续成为我们追求知识的关键元素。